4.2 Inch Wireless NFC-Powered EPaper Eink E Paper E-Ink Display Scree

4.2 Inch Wireless NFC-Powered EPaper Eink E Paper E-Ink Display Scree Description

1. 4.2inch Passive NFC-Powered e-Paper,Adopts novel passive NFC technology,Wireless Power & Data. No battery required, no more battery life trouble,Energy-Saving. APP is provided,Easy to use.Protective ABS Case,Nice&Light Weight.
2. Wireless NFC-Powered Display Refreshing. No messy wiring, stable operation, fast refreshing
3. How it works: To refresh the display content,use a smart phone with NFC function, or an NFC reader,then close to the e-Paper for both wireless powering and data transfer.
4.Supported smart phones: Most Android phones with NFC function are supported,some tested and confirmed devices are listed above in the picture (include but not limited to)
5.Application examples: Suitable for price Tags, asset/equipment Tags, shelf labels, conference name tags,etc.

Specifications:
Power supply:Wireless
Grey scale:2
Display color:Black / White
Refresh time :4s (data transfer time is not included)
Dot pitch:0.212 x 0.212
Display size:84.8mm x 63.6mm
Resolution :400x300
Outline dimension :105.1mmx94.1mm
Viewing angle : 170
Material: ABS
colour: White

Package Contents:
1 x 4.2 inch Passive NFC-Powered e-Paper

Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.